The 2026 GMC Sierra 3500HD Denali Ultimate delivers premium capability and refined luxury in one commanding package. This powerful diesel-powered truck features a Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD for exceptional towing and hauling performance. With just 2,738 miles, this truck is virtually new and ready to tackle any job while keeping you comfortable on every drive. Key Features: - Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD - Gooseneck/5th Wheel Prep Package for specialized towing - Dual 220-Amp Primary and 170-Amp Auxiliary Alternators - Wired Auxiliary Trailer Camera with Two Trailer Camera Provisions - Console-Mounted Safe for secure storage - Premium Floor Liners with Removable Carpet Inserts - Hitch Package with Hitch Guidance and Hitch View - Cargo Tie-Down Rings (set of 4) - Rear Underseat Storage compartment - 20 Ultra-Bright Machined Aluminum Wheels This Denali Ultimate arrives in striking Glacier White Tricoat with premium features throughout. Inside, full-grain leather seat trim, 16-way power seat adjusters with lumbar support, and heated and ventilated front seats provide exceptional comfort. The 13.4 GMC Premium Information Display, Bose Premium 12-speaker audio system, and wireless phone projection keep you connected. Advanced safety technology includes automatic emergency braking, lane departure warning, rear cross traffic alert, and HD surround vision camera system. Come experience this outstanding Sierra 3500HD and discover why it's the preferred choice for serious truck buyers.